Mozilla Foundation Security Advisory 2022-02
Security Vulnerabilities fixed in Firefox ESR 91.5
- Announced
- January 11, 2022
- Impact
- high
- Products
- Firefox ESR
- Fixed in
-
- Firefox ESR 91.5
#CVE-2022-22746: Calling into reportValidity could have lead to fullscreen window spoof
- Reporter
- Irvan Kurniawan
- Impact
- high
Description
A race condition could have allowed bypassing the fullscreen notification which could have lead to a fullscreen window spoof being unnoticed.
This bug only affects Thunderbird for Windows. Other operating systems are unaffected.
References
#CVE-2022-22743: Browser window spoof using fullscreen mode
- Reporter
- Irvan Kurniawan
- Impact
- high
Description
When navigating from inside an iframe while requesting fullscreen access, an attacker-controlled tab could have made the browser unable to leave fullscreen mode.
References
#CVE-2022-22742: Out-of-bounds memory access when inserting text in edit mode
- Reporter
- Irvan Kurniawan
- Impact
- high
Description
When inserting text while in edit mode, some characters might have lead to out-of-bounds memory access causing a potentially exploitable crash.
References
#CVE-2022-22741: Browser window spoof using fullscreen mode
- Reporter
- Irvan Kurniawan
- Impact
- high
Description
When resizing a popup while requesting fullscreen access, the popup would have become unable to leave fullscreen mode.
References
#CVE-2022-22740: Use-after-free of ChannelEventQueue::mOwner
- Reporter
- bo13oy of Cyber Kunlun Lab
- Impact
- high
Description
Certain network request objects were freed too early when releasing a network request handle. This could have lead to a use-after-free causing a potentially exploitable crash.
References
#CVE-2022-22738: Heap-buffer-overflow in blendGaussianBlur
- Reporter
- Atte Kettunen
- Impact
- high
Description
Applying a CSS filter effect could have accessed out of bounds memory. This could have lead to a heap-buffer-overflow causing a potentially exploitable crash.
References
#CVE-2022-22737: Race condition when playing audio files
- Reporter
- bo13oy of Cyber Kunlun Lab
- Impact
- high
Description
Constructing audio sinks could have lead to a race condition when playing audio files and closing windows. This could have lead to a use-after-free causing a potentially exploitable crash.
References
#CVE-2021-4140: Iframe sandbox bypass with XSLT
- Reporter
- Peter Van der Beken
- Impact
- high
Description
It was possible to construct specific XSLT markup that would be able to bypass an iframe sandbox.
References
#CVE-2022-22748: Spoofed origin on external protocol launch dialog
- Reporter
- Alesandro Ortiz
- Impact
- moderate
Description
Malicious websites could have confused Thunderbird into showing the wrong origin when asking to launch a program and handling an external URL protocol.
References
#CVE-2022-22745: Leaking cross-origin URLs through securitypolicyviolation event
- Reporter
- Jannis Rautenstrauch
- Impact
- moderate
Description
Securitypolicyviolation events could have leaked cross-origin information for frame-ancestors violations
References
#CVE-2022-22744: The 'Copy as curl' feature in DevTools did not fully escape website-controlled data, potentially leading to command injection
- Reporter
- Mattias Jacobsson
- Impact
- moderate
Description
The constructed curl command from the "Copy as curl" feature in DevTools was not properly escaped for PowerShell. This could have lead to command injection if pasted into a Powershell prompt.
This bug only affects Firefox for Windows. Other operating systems are unaffected.
References
#CVE-2022-22747: Crash when handling empty pkcs7 sequence
- Reporter
- Tavis Ormandy
- Impact
- low
Description
After accepting an untrusted certificate, handling an empty pkcs7 sequence as part of the certificate data could have lead to a crash. This crash is believed to be unexploitable.
References
#CVE-2022-22739: Missing throttling on external protocol launch dialog
- Reporter
- Alesandro Ortiz
- Impact
- low
Description
Malicious websites could have tricked users into accepting launching a program to handle an external URL protocol.
References
#CVE-2022-22751: Memory safety bugs fixed in Firefox 96 and Firefox ESR 91.5
- Reporter
- Mozilla developers and community
- Impact
- high
Description
Mozilla developers Calixte Denizet, Kershaw Chang, Christian Holler, Jason Kratzer, Gabriele Svelto, Tyson Smith, Simon Giesecke, and Steve Fink reported memory safety bugs present in Firefox 95 and Firefox ESR 91.4. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code.